Upright vacuum cleaner



FIG. 1 is a perspective view of an upright vacuum cleaner showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof.

The hose shown in broken lines in the drawing figures is shown for illstrative purposes only and forms no part of the claimed design. 

The ornamental design of an upright vacuum cleaner, as shown and described. 